Rolf (died 1919) was an Airedale terrier that was claimed to have been able to perform arithmetic and communicate with humans on an intellectual level.
Rolf (died 1919) was an Airedale terrier that was claimed to have been able to perform arithmetic and communicate with humans on an intellectual level. (en)
Rolf (died 1919) was an Airedale terrier that was claimed to have been able to perform arithmetic and communicate with humans on an intellectual level. (en)